Home
Class 12
PHYSICS
Two parallel conductors A and B of equal...

Two parallel conductors `A` and `B` of equal lengths carry currents `I` and `10 I`, respectively, in the same direction. Then

A

`A` and `B` will repel each other with same force

B

`A` and `B` will attract each other with same force

C

`A` will attract `B`, but `B` will repel `A`

D

`A` and `B` will attract each other with different forces

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • KINETIC THEORY OF GASES

    ERRORLESS |Exercise QUESTIONS|126 Videos

  • MAGNETISM

    ERRORLESS |Exercise Assertion & Reason|1 Videos

Similar Questions

Explore conceptually related problems

Two long parallel wires are 30 cm apart carrying currents 10 A and 15 A respectively in the same direction. The force acting over a length of 5 m of the wires is

A, B and C are parallel conductors of equal length carrying currents I, I and 2I respectively. Distance between A and B is x . Distance between B and C is also x . F_(1) is the force exerted by B on A and F_(2) is the force exerted by B on A choose the correct answer

Two parallel conductors A and B separated by 5cm carry electric current of 6A and 2A in the same direction. The point between A and B where the field is zero at

A short conductor of length 5*0cm is placed parallel to a long conductor of length 1*5cm near its centre. The conductors carry currents 4*0A and 3*0A respectively in the same direction. What is the total force experienced by the long conductor, when they are 3*0cm apart?

Two linear parallel conductors carrying currents in the same direction attract each other and two linear parallel conductors carrying currents in opposite direction repel each other. The force acting per unit length due to currents I_1 and I_2 in two linear parallel conductors held distance r apart in vacuum in SI unit is F=(mu_0)/(4pi)(2I_1I_2)/(r) Read the above passage and answer the following questions: (i) What is the basic reason for the force between two linear parallel conductors carrying currents? (ii) Two straight wires A and B of lengths 2cm and 20cm , carrying currents 2*0A and 5*0A respectively in opposite directions are lying parallel to each other 4*0cm apart. The wire A is held near the middle of wire B. What is the force on 20cm long wire B? (iii) What does this study imply in day to day life?

Two long straight parallel conductors separated by a distance of 0.5m carry currents of 5A and 8A in the same direction. The force per unit length experienced by each other is

Two long and straight conductors, placed parallel to each other are separated by 10 cm, carrying current of 2A and 4 A respectively in opposite direction. The force per unit length exerted by each conductor on the other

Two long thin parallel conductors C and D of the shape as shown in figure. Carry currents I_1 and I_2 . The separation between the conductors is a, the width of the right hand conductor is equal to b. Both the conductors are lying in one plane. Find the magnetic interaction force between them reduced to a unit length.

ERRORLESS -MAGNETIC EFFECT OF CURRENT-Exercise
  1. The expression for the torque acting on a coil having area of crosssec...

    Text Solution

    |

  2. The sensitiveness of a moving coil galvanometer can be increased by de...

    Text Solution

    |

  3. Two parallel conductors A and B of equal lengths carry currents I and ...

    Text Solution

    |

  4. Three long, straight and parallel wires are arranged as shown in Fig. ...

    Text Solution

    |

  5. A 100 turns coil shown in figure carries a current of 2 amp in a magne...

    Text Solution

    |

  6. A current of 5 ampere is flowing in a wire of length 1.5 metres. A for...

    Text Solution

    |

  7. A conductor in the form of a right angle ABC with AB=3 cm and BC = 4 c...

    Text Solution

    |

  8. The coild of a galvanometer consists of 100 turn and effective area 1 ...

    Text Solution

    |

  9. A rectangular coil 20cmxx20cm has 100 turns and carries a current of 1...

    Text Solution

    |

  10. If a current is passed through a spring then the spring will

    Text Solution

    |

  11. A current carrying small loop behaves like a small magnet. If A be its...

    Text Solution

    |

  12. In hydrogen atom, the electron is making 6.6xx10^(15) rev//sec around ...

    Text Solution

    |

  13. A triangular loop of side l carries a current I. It is placed in a mag...

    Text Solution

    |

  14. Three long straight and parallel wires carrying currents are arranged...

    Text Solution

    |

  15. A vertical wire carrying a current in the upward direction is placed i...

    Text Solution

    |

  16. A coil carrying electric current is placed in uniform magnetic field

    Text Solution

    |

  17. A circular loop carrying a current is replaced by an equivalent magnet...

    Text Solution

    |

  18. A power line lies along the east-west direction and carries a current ...

    Text Solution

    |

  19. A straight wire of length 0.5 metre and carrying a current of 1.2 ampe...

    Text Solution

    |

  20. Two parallel wires in free spaces are 10cm apart and each carries a cu...

    Text Solution

    |